First, we're going to watch our system boot.
Start by disabling the quiet option in our boot configuration so that we can actually see information on our VM display:
$ sudo sed -i 's/ quiet//g' /etc/sysconfig/grub
Now, we need to generate a new grub configuration file, as we've made a change:
$ sudo grub2-mkconfig | sudo tee /boot/grub2/grub.cfg
Now, bring up the VirtualBox main window, and double-click your VM so, you can see the black console:
Bring up your Terminal connection so that ...